Thread: VS Cam Build.

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  1. #1 Re: VS Cam Build. 
    GTPpower
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    Default 03-22-2013
    Looks like most of the misinformation have been fixed in this thread.

    Except, don't use L76 springs. They are not rated for the lift the VS cam on stock rockers will make.


    2001 GTP Drag Car - XPZ, Tischler heads, Upsidedown M90 IC'd, e85, Gen V, 2.3 w/ 5%OD
    2005 F350 6.0 - studded, deleted, tuned
    2001 GTP - cam, headers, nitrous, stock trans - 11.83 @ 116 <$2k in mods - sold
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  2. #2 Re: VS Cam Build. 
    Phil99gp
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    Default 03-22-2013
    Quote Originally Posted by GTPpower View Post
    Looks like most of the misinformation have been fixed in this thread.

    Except, don't use L76 springs. They are not rated for the lift the VS cam on stock rockers will make.
    L76 springs are rated to .530 lift, they don't bind until about .580.
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  3. #3 Re: VS Cam Build. 
    GTPpower
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    Default 03-22-2013
    Quote Originally Posted by Phil99gp View Post
    L76 springs are rated to .530 lift, they don't bind until about .580.
    And VS cam lift with stock rockers is somewhere around .544. Hence why they should not be run with that cam.


    2001 GTP Drag Car - XPZ, Tischler heads, Upsidedown M90 IC'd, e85, Gen V, 2.3 w/ 5%OD
    2005 F350 6.0 - studded, deleted, tuned
    2001 GTP - cam, headers, nitrous, stock trans - 11.83 @ 116 <$2k in mods - sold
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  4. #4 Re: VS Cam Build. 
    Seachicken
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    Default 03-22-2013
    Quote Originally Posted by GTPpower View Post
    And VS cam lift with stock rockers is somewhere around .544. Hence why they should not be run with that cam.
    isnt stock 1.6?

    206/216 at .050"

    Intake Lift .320" (.512" lift at 1.6:1 rocker ratio)

    Exhaust Lift .317" (.507" lift at 1.6:1 rocker ratio)

    115 LSA

    Comp Cams - VS Cam #COMP-3311/3303-115+2-VS
    06 Gxp, Bermuda Blue
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  5. #5 Re: VS Cam Build. 
    GTPpower
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    Default 03-23-2013
    Quote Originally Posted by Seachicken View Post
    isnt stock 1.6?

    206/216 at .050"

    Intake Lift .320" (.512" lift at 1.6:1 rocker ratio)

    Exhaust Lift .317" (.507" lift at 1.6:1 rocker ratio)

    115 LSA

    Comp Cams - VS Cam #COMP-3311/3303-115+2-VS
    No. Stock rockers are not a fixed ratio. The higher the lift, the higher the ratio.


    2001 GTP Drag Car - XPZ, Tischler heads, Upsidedown M90 IC'd, e85, Gen V, 2.3 w/ 5%OD
    2005 F350 6.0 - studded, deleted, tuned
    2001 GTP - cam, headers, nitrous, stock trans - 11.83 @ 116 <$2k in mods - sold
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  6. #6 Re: VS Cam Build. 
    Seachicken
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    Default 03-23-2013
    Quote Originally Posted by GTPpower View Post
    No. Stock rockers are not a fixed ratio. The higher the lift, the higher the ratio.
    pls back up....

    not pickin on ya, just wanna learn
    06 Gxp, Bermuda Blue
    82 K5, Black on 35's
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  7. #7 Re: VS Cam Build. 
    GTPpower
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    Default 03-23-2013
    Quote Originally Posted by Seachicken View Post
    pls back up....

    not pickin on ya, just wanna learn
    What is the stock rocker ratio on a 3800? | ZZP News


    2001 GTP Drag Car - XPZ, Tischler heads, Upsidedown M90 IC'd, e85, Gen V, 2.3 w/ 5%OD
    2005 F350 6.0 - studded, deleted, tuned
    2001 GTP - cam, headers, nitrous, stock trans - 11.83 @ 116 <$2k in mods - sold
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